linux-kernel - Re: [PATCH 01/13] devpts: Teach /dev/ptmx to find the associated devpts via path lookup

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Message-ID: <87ziszd7uv.fsf@x220.int.ebiederm.org>
Date:	Mon, 11 Apr 2016 18:49:12 -0500
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andy Lutomirski <luto@...capital.net>, security@...ian.org,
	security@...nel.org, Al Viro <viro@...iv.linux.org.uk>,
	"security\@ubuntu.com \>\> security" <security@...ntu.com>,
	Peter Hurley <peter@...leysoftware.com>,
	Serge Hallyn <serge.hallyn@...ntu.com>,
	Willy Tarreau <w@....eu>,
	Aurelien Jarno <aurelien@...el32.net>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Jann Horn <jann@...jh.net>, Greg KH <greg@...ah.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jiri Slaby <jslaby@...e.com>,
	Florian Weimer <fw@...eb.enyo.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 01/13] devpts: Teach /dev/ptmx to find the associated devpts via path lookup

Linus Torvalds <torvalds@...ux-foundation.org> writes:

> On Apr 9, 2016 5:45 PM, "Andy Lutomirski" <luto@...capital.net> wrote:
>>
>>
>> What we *do* want to do, though, is to prevent the following:
>
> I don't see the point. Why do you bring up this insane scenario that
> nobody can possibly care about?
>
> So you actually have any reason to believe somebody does that?
>
> I already asked about that earlier, and the silence was deafening.

I replied earlier.  Did you not see my reply?

Eric